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Use XORG_STRICT_OPTION from util-macros 1.14 to set -Werror flags 

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
This commit is contained in:
Alan Coopersmith 2011-05-02 19:48:42 -07:00
parent 9275b1fb6f
commit eadf502179
1 changed files with 2 additions and 4 deletions
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6
m4/xorg-tls.m4
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@ -22,6 +22,7 @@ dnl
dnl Authors: Jeremy Huddleston <jeremyhu@apple.com>
AC_DEFUN([XORG_TLS], [
AC_REQUIRE([XORG_STRICT_OPTION])
AC_MSG_CHECKING(for thread local storage (TLS) support)
AC_CACHE_VAL(ac_cv_tls, [
ac_cv_tls=none
@ -36,10 +37,7 @@ AC_DEFUN([XORG_TLS], [
AC_MSG_CHECKING(for tls_model attribute support)
AC_CACHE_VAL(ac_cv_tls_model, [
save_CFLAGS="$CFLAGS"
dnl -Werror causes clang's default -Wunknown-attributes to become an error
dnl We can't use -Werror=unknown-attributes because gcc doesn't understand it
dnl -Werror=attributes is for gcc, clang seems to ignore it
CFLAGS="$CFLAGS -Werror -Werror=attributes"
CFLAGS="$CFLAGS $STRICT_CFLAGS"
AC_TRY_COMPILE([int $ac_cv_tls __attribute__((tls_model("initial-exec"))) test;], [],
ac_cv_tls_model=yes, ac_cv_tls_model=no)
CFLAGS="$save_CFLAGS"